JP7480350B2 - ビーム放射半導体チップおよびビーム放射半導体チップの製造方法 - Google Patents
ビーム放射半導体チップおよびビーム放射半導体チップの製造方法 Download PDFInfo
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Description
2 半導体基体
3 活性領域
4 第1半導体積層体
5 第2半導体積層体
6 共振器
7 第1端部領域
8 第2端部領域
9 第1端面
10 第2端面
11 凹部
12 高反射性ミラー層
13 反射防止層
14 部分反射層
15 第1コンタクト層
16 第2コンタクト層
17 誘電体層
18 別の誘電体層
19 導波構造体
20 凹部の側面
21 ウェブ
22 ビーム放射半導体デバイス
23 積層体
24 エッチングストップ層
25 マスク層
26 第1領域
27 第2領域
28 半導体ウェーハ
nHL 半導体基体の屈折率
nM 誘電体層の屈折率
d 凹部の幅
d1…d6 幅
λ 波長
Claims (12)
- ビーム放射半導体チップ(1)であって、前記ビーム放射半導体チップ(1)は、
電磁ビームを生成するように構成されている活性領域(3)を含む半導体基体(2)と
第1端部領域(7)および第2端部領域(8)を含む共振器(6)と、
前記活性領域(3)を完全に貫通する、前記半導体基体(2)における少なくとも1つの凹部(11)と有し、
前記活性領域(3)は、前記共振器(6)に配置されており、
前記凹部(11)により、前記電磁ビームに対する反射率があらかじめ設定され、
前記第2端部領域(8)では、前記半導体基体(2)に高反射性ミラー層(12)が配置されており、
電流を前記半導体基体(2)に印加するように構成されている第1コンタクト層(15)が前記半導体基体(2)に配置されており、
前記半導体基体(2)には、第2コンタクト層(16)が配置されており、
前記第1コンタクト層(15)は横方向に、前記第2コンタクト層(16)に対して離隔されており、かつ
前記凹部(11)は、前記第1コンタクト層(15)と前記第2コンタクト層(16)との間に配置されており、かつ
前記凹部(11)は、前記第1端部領域(7)に配置されているか、または
前記凹部(11)は、前記第1端部領域(7)と前記第2端部領域(8)との間に配置されている、ビーム放射半導体チップ(1)。 - 誘電体層(17)が、前記凹部(11)に配置されている、請求項1記載のビーム放射半導体チップ(1)。
- 前記誘電体層(17)は、前記凹部の少なくとも1つの側面(20)を完全に覆っているか、または
前記誘電体層(17)は、前記凹部のそれぞれの側面(20)に対して離隔されて配置されている、請求項2記載のビーム放射半導体チップ(1)。 - 別の誘電体層(18)が前記誘電体層(17)に配置されており、かつ/または
前記別の誘電体層(18)は、前記凹部の少なくとも1つの側面(20)に配置されているか、または、
前記別の誘電体層(18)は、前記凹部のそれぞれの側面(20)に対して離隔されて配置されている、請求項1記載のビーム放射半導体チップ(1)。 - 前記誘電体層(17)および/または前記別の誘電体層(18)が配置されている前記凹部(11)に導波構造体(19)が配置されている、請求項4記載のビーム放射半導体チップ(1)。
- ビーム放射半導体デバイス(22)であって、前記ビーム放射半導体デバイス(22)は、
請求項1から5までのいずれか1項記載の少なくとも2つのビーム放射半導体チップ(1)を有し、
前記半導体チップ(1)は、横方向に並んで配置されている、ビーム放射半導体デバイス(22)。 - ビーム放射半導体チップ(1)の製造方法であって、前記ビーム放射半導体チップ(1)の製造方法は、
電磁ビームを生成するように構成されている活性領域(3)を含む半導体基体(2)を準備するステップと、
前記活性領域(3)を完全に貫通する、前記半導体基体(2)における凹部(11)を作製するステップと、
第1端部領域(7)および第2端部領域(8)を含み、前記活性領域(3)が配置されている共振器(6)を作製するステップとを有し、
前記凹部(11)により、前記電磁ビームに対する反射率があらかじめ設定され、
前記第2端部領域(8)では、前記半導体基体(2)に高反射性ミラー層(12)が配置されており、
電流を前記半導体基体(2)に印加するように構成されている第1コンタクト層(15)が前記半導体基体(2)に配置されており、
前記半導体基体(2)には、第2コンタクト層(16)が配置されており、
前記第1コンタクト層(15)は横方向に、前記第2コンタクト層(16)に対して離隔されており、かつ
前記凹部(11)は、前記第1コンタクト層(15)と前記第2コンタクト層(16)との間に配置されており、かつ
前記凹部(11)は、前記第1端部領域(7)に配置されているか、または
前記凹部(11)は、前記第1端部領域(7)と前記第2端部領域(8)との間に配置されている、ビーム放射半導体チップ(1)の製造方法。 - ビーム放射半導体デバイス(22)の製造方法であって、前記ビーム放射半導体デバイス(22)の製造方法は、次のステップ、すなわち、
それぞれ電磁ビームを生成するために構成されている活性領域(3)を含む半導体ウェーハ(28)を準備するステップと、
前記活性領域(3)をそれぞれ完全に貫通する凹部(11)を前記半導体ウェーハ(28)に作製するステップと、
それぞれ1つの第1端部領域(7)および第2端部領域(8)を含む共振器(6)を作製し、この際にそれぞれ1つの前記活性領域(3)が、それぞれ1つの前記共振器(6)に配置されるようにするステップと、
前記半導体ウェーハ(28)を半導体デバイス(22)に個片化するステップとを有し、
それぞれの1つの前記共振器(6)に隣接している前記凹部(11)により、前記第1端部領域(7)において、前記電磁ビームに対する第1反射率をあらかじめ設定し、前記第2端部領域(8)において、前記電磁ビームに対する第2反射率をあらかじめ設定し、
前記凹部(11)に積層体(23)を作製し、
前記凹部(11)の第2領域(27)において、少なくとも部分的に前記積層体(23)をそれぞれ除去する、ビーム放射半導体デバイス(22)の製造方法。 - 前記積層体(23)にマスク層(25)を被着し、
前記マスク層(25)により、前記凹部(11)において前記積層体(23)のそれぞれ1つの第1領域(26)を覆う、請求項8記載の方法。 - 前記積層体(23)は、前記積層体(23)の誘電体層間に配置されているエッチングストップ層を有する、請求項8記載の方法。
- 前記凹部(11)において前記マスク層および前記積層体(23)に別の積層体を作製し、
前記凹部(11)における前記第1領域(26)では、前記別の積層体をそれぞれ完全に除去する、請求項9記載の方法。 - 前記半導体ウェーハ(28)を前記凹部(11)によって個片化し、
前記積層体(23)により、前記第1領域(26)においてそれぞれ前記第1反射率をあらかじめ設定し、前記積層体(23)により、前記第2領域(27)においてそれぞれ前記第2反射率をあらかじめ設定する、請求項9記載の方法。
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